Acute scalene triangle.

Sides: a = 10   b = 14   c = 16

Area: T = 69.28220323028
Perimeter: p = 40
Semiperimeter: s = 20

Angle ∠ A = α = 38.21332107017° = 38°12'48″ = 0.66769463445 rad
Angle ∠ B = β = 60° = 1.04771975512 rad
Angle ∠ C = γ = 81.78767892983° = 81°47'12″ = 1.42774487579 rad

Height: h_a = 13.85664064606
Height: h_b = 9.89774331861
Height: h_c = 8.66602540378

Median: m_a = 14.17774468788
Median: m_b = 11.35878166916
Median: m_c = 9.16551513899

Inradius: r = 3.46441016151
Circumradius: R = 8.08329037687

Vertex coordinates: A[16; 0] B[0; 0] C[5; 8.66602540378]
Centroid: CG[7; 2.88767513459]
Coordinates of the circumscribed circle: U[8; 1.15547005384]
Coordinates of the inscribed circle: I[6; 3.46441016151]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.7876789298° = 141°47'12″ = 0.66769463445 rad
∠ B' = β' = 120° = 1.04771975512 rad
∠ C' = γ' = 98.21332107017° = 98°12'48″ = 1.42774487579 rad

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